Patents Represented by Attorney Christopher I. Halliday

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  • Method and apparatus for altering and/or minimizing underwater noise
    Patent number: 7921964
    Abstract: To reduce or eliminate the startle response in aquatic life, embodiments of the present invention alter the sound produced by a diver's exhaled bubbles by adjusting up or down the frequency of the sound produced by the bubbles.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: April 12, 2011
    Inventor: Christopher I. Halliday